Finding the Fourth Proportional to 125,002.54, 172,499.20 and 71,304.94

Step by Step Solution

1. Step 1: Write the proportion equation
   125,002.54 : 172,499.20 = 71,304.94 : x
2. Step 2: Convert to fraction form
   125,002.54/172,499.20 = 71,304.94/x
3. Step 3: Cross multiply
   125,002.54x = 172,499.20 × 71,304.94
4. Step 4: Simplify right side
   125,002.54x = 12,300,045,106.05
5. Step 5: Solve for x
   x = 12,300,045,106.05/125,002.54
6. Step 6: Final answer
   x = 98,398.36